Variable	Coefficient Estimate	p-value
date	0.1618	<0.001
date^2	-0.0008	0.0093
parks^2	0.2518	0.0562
parks	4.1307	<0.001
parks x work	-8.1480	<0.001
work	9.4568	<0.001
work^2	-3.4421	<0.001
parks x date	-0.0948	<0.001
parks x date^2	0.0036	<0.001
work x date^2	-0.0058	<0.001
NY	1.8627	<0.001